CN217088300U - Improved low-voltage direct-current compressor controller - Google Patents

Improved low-voltage direct-current compressor controller Download PDF

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Publication number
CN217088300U
CN217088300U CN202220891521.0U CN202220891521U CN217088300U CN 217088300 U CN217088300 U CN 217088300U CN 202220891521 U CN202220891521 U CN 202220891521U CN 217088300 U CN217088300 U CN 217088300U
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box shell
back box
pcb
shell
heat conducting
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CN202220891521.0U
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Chinese (zh)
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祁宏
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Suzhou Zhiying Electronic Technology Co ltd
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Suzhou Zhiying Electronic Technology Co ltd
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Abstract

The utility model discloses an improved generation low pressure DC compressor controller, including back box shell and positive box shell, the controller box of rectangle form is made up into to back box shell and positive box shell. The utility model discloses improve the SMT paster welding mode of components and parts, let the heat transfer that the power device produced to PCB circuit board, PCB circuit board transmits the heat to the aluminum alloy box shell rapidly again through the heat conduction pad, the aluminum alloy box shell dispels the heat through the rib; and the installation department designs a primary fixed orifices and four mounting holes of arranging all around, come preliminary fixed PCB circuit board through primary fixed orifices and fix and laminate the heat conduction pad, the duroplast block closes the lid at the aluminum alloy box shell after, upset aluminum alloy box shell, pass PCB circuit board to duroplast with the screw externally on, fix all around through the mounting hole, protection PCB circuit board is inside the box shell, supplementary cooperation heat dissipation design is installed and is arranged, so as to realize the purpose of automatic assembly line installation, high efficiency and practice thrift the installation cost.

Description

Improved low-voltage direct-current compressor controller
Technical Field
The utility model relates to a controller heat dissipation technical field specifically is an improved generation low pressure DC compressor controller.
Background
When the low-voltage direct-current compressor controller needs to raise the control power, a power device with larger power needs to be installed on the PCB. However, the low-voltage direct-current compressor of the controller adopts the traditional SMT patch welding technology, when a high-power device generates large heat during working, the high-power device can only dissipate the heat by itself basically, and then the heat is transmitted to the outside through the shell of the controller, so that the whole heat dissipation process is slow, the effect is poor, and certain influences are caused on the service life and the quality of the low-voltage direct-current compressor controller. To this end, we provide an improved low pressure dc compressor controller to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an improved generation low pressure DC compressor controller to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an improved low-voltage direct-current compressor controller comprises a back box shell and a front box shell, wherein the back box shell and the front box shell are combined into a rectangular controller box, the back box shell is an aluminum alloy shell, mounting holes are symmetrically formed in four corners inside the back box shell, a hole groove of each mounting hole penetrates through the inside and the outside of the back box shell, and a primary fixing hole and four positioning pins arranged along the edges are further formed in the back box shell between the mounting holes;
the inner bottom surface of the back box shell is connected with a heat conducting pad through silica gel in an adhering mode, and notches which are matched in an inserting mode are formed in the heat conducting pad corresponding to the mounting holes, the primary fixing holes and the positioning pins;
a PCB is attached to the heat conducting pad, a first mounting hole alignment hole, a fixing hole alignment hole and a notch are sequentially formed in the positions, corresponding to each mounting hole, the primary fixing hole and the positioning pin, of the PCB, when the PCB is mounted, the notch is in insertion fit with the positioning pin, the PCB is fixed on the heat conducting pad of the back box shell by sequentially connecting the first fixing hole alignment hole and the primary fixing hole through screws, and a plurality of ribs are integrally arranged on one side of the back box shell at equal intervals;
the PCB circuit board is connected with component patches through a welding layer, the welding layer is set to be a silver welding wire fusion layer, second mounting hole alignment holes are formed in positions, corresponding to the first mounting hole alignment holes in the PCB circuit board, in the front box shell, when the front box shell and the back box shell are covered, the front box shell and the back box shell are fixedly connected with the mounting holes, the first mounting hole alignment holes and the second mounting hole alignment holes in each group in sequence from the rear end of the back box shell through screws;
and the bottom of the back box shell is provided with a first bayonet, the bottom of the front box shell is matched with the first bayonet to be provided with a second bayonet, and when the front box shell and the back box shell are closed, a plastic output protective sleeve is connected between the first bayonet and the second bayonet.
Preferably, the surface of the back box shell is coated with an anticorrosive paint.
Preferably, the heat conducting pad is a silica gel heat conducting pad, and the thickness of the silica gel heat conducting pad is not more than 1 cm.
Preferably, the front casing is provided as a hard plastic casing.
Preferably, a plurality of grooves are integrally arranged on one side of the back box shell at equal intervals, and rectangular sheet-shaped ribs are formed among the grooves at intervals.
Preferably, the back box shell is flush with the outer end face of the rib on one side.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the SMT chip welding mode of the components is improved, a full-length welding mode is adopted, high-heat-conduction solder is utilized for assisting heat conduction, heat generated by the power device is transmitted to the PCB, a heat conduction pad is tightly installed on the back of the PCB, the heat conduction pad is tightly attached to the aluminum alloy box shell, the heat conduction pad rapidly transmits the heat to the aluminum alloy box shell, a plurality of ribs which are beneficial to heat transfer effect are arranged outside the aluminum alloy box shell, the heat can be rapidly led out, and the heat dissipation effect is improved;
2. in PCB circuit board installation combination in-process, design a elementary fixed orifices and four mounting holes of arranging all around, come preliminary fixed PCB circuit board in the aluminum alloy box shell through elementary fixed orifices, and the heat conduction pad of laminating, the duroplast block closes the lid at the aluminum alloy box shell after, upset aluminum alloy box shell, pass PCB circuit board to duroplast with the screw externally on, fix all around through the mounting hole, protect PCB circuit board inside the box shell, supplementary cooperation heat dissipation design is installed and is arranged, in order to realize the purpose of automatic assembled assembly line installation, high efficiency and practice thrift installation cost.
Drawings
Fig. 1 is a schematic view of the back box casing of the present invention.
Fig. 2 is a schematic view of the heat conducting mat according to the present invention.
Fig. 3 is a schematic structural view of the heat conducting pad connected to the back case of the present invention.
Fig. 4 is the utility model discloses the structural schematic diagram is looked to main of components and parts paster relation of connection on the PCB circuit board.
Fig. 5 is a schematic view of the structure of the back case of the present invention when connecting to the PCB.
Fig. 6 is a schematic view of the front side box casing of the present invention.
Fig. 7 is a schematic view of the plastic output protective sleeve of the present invention.
Fig. 8 is a schematic view of the structure of the rear view of the cover shell of the present invention.
In the figure: 1. a back cartridge shell; 2. mounting holes; 3. a primary fixation hole; 4. positioning pins; 5. a first bayonet; 6. a thermally conductive pad; 7. a PCB circuit board; 8. a first mounting hole alignment hole; 9. a fixed hole alignment hole; 10. a notch; 11. element pasting; 12. welding layer; 13. a front cassette shell; 14. a second mounting hole alignment hole; 15. a second bayonet; 16. a plastic output protective sleeve; 17. a groove; 18. and (4) ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: an improved low-voltage direct-current compressor controller comprises a back box shell 1 and a front box shell 13, wherein the back box shell 1 and the front box shell 13 are combined into a rectangular controller box;
mounting holes 2 are symmetrically arranged at four corners inside the back box shell 1, a hole groove of each mounting hole 2 penetrates through the inside and the outside of the back box shell 1, and a primary fixing hole 3 and four positioning pins 4 arranged along the edges are further arranged in the back box shell 1 between the mounting holes 2;
the inner bottom surface of the back box shell 1 is connected with a heat conducting pad 6 through silica gel in an adhering mode, and notches which are matched in an inserting mode are formed in the heat conducting pad 6 corresponding to the mounting holes 2, the primary fixing hole 3 and the positioning pin 4 and used for combining the heat conducting pad 6;
a PCB (printed circuit board) 7 is attached to the heat conducting pad 6, a first mounting hole aligning hole 8, a fixing hole aligning hole 9 and a notch 10 are sequentially formed in the positions, corresponding to the mounting holes 2, the primary fixing holes 3 and the positioning pins 4, of the PCB 7, when the PCB 7 is mounted, the notch 10 is in plug-in fit with the positioning pins 4 and used for mounting and positioning the PCB 7, and the PCB 7 is sequentially connected with the first fixing hole aligning hole 9 and the primary fixing holes 3 through screws to be fixed on the heat conducting pad 6 of the back box shell 1 and used for rapidly and primarily fixing the PCB 7 so as to be fastened and mounted for use later;
the PCB 7 is connected with the component patches 11 through the welding layer 12, the welding layer 12 is a silver welding wire melting layer and is used for efficiently conducting heat generated when the component patches 11 work to the PCB 7, the positions, corresponding to the first mounting hole alignment holes 8 on the PCB 7, in the front box shell 13 are provided with second mounting hole alignment holes 14, when the front box shell 13 and the back box shell 1 are closed, the mounting holes 2, the first mounting hole alignment holes 8 and the second mounting hole alignment holes 14 of each group are fixedly connected in sequence from the rear end of the back box shell 1 through screws and are used for closing and fastening the front box shell 13 and the back box shell 1 and fixing the PCB 7;
and the bottom of the back box shell 1 is provided with a first bayonet 5, the bottom of the front box shell 13 is provided with a second bayonet 15 in cooperation with the first bayonet 5, and when the front box shell 13 and the back box shell 1 are closed, a plastic output protective sleeve 16 is connected between the first bayonet 5 and the second bayonet 15 and used for wiring the output end part of the PCB 7.
Need to explain: the heat conducting pad 6 is a silica gel heat conducting pad, the thickness of the heat conducting pad is not more than 1cm, and the heat conducting pad is used for heat dissipation and heat conduction in the controller.
Need to explain: front box shell 13 sets up to the hard plastic shell, and back box shell 1 sets up to the aluminum alloy shell to in the surface coating of back box shell 1 have anticorrosive lacquer, carry out heat conduction heat dissipation through back box shell 1 and use, anticorrosive lacquer is used for improving the high temperature corrosion problem.
During the use, when components and parts paster 11 gives PCB circuit board 7 with the high-efficient heat conduction of the heat of during operation, PCB circuit board 7 gives heat conduction pad 6 in the heat conduction, and heat conduction pad 6 heat conduction heat is dispelled the heat for back box-shell 1.
As a further improvement of the present embodiment: one side integration equidistant arrangement of back box shell 1 has a plurality of rib 18:
wherein, a plurality of grooves 17 are integrally arranged at equal intervals on one side of the back box shell 1, rectangular sheet-shaped ribs 18 which are spaced and protrude are formed among the grooves 17, so that the back box shell 1 conducts heat to the ribs 18, and the ribs 18 are used for contacting the outside to conduct heat and dissipate heat.
Furthermore, the back box shell 1 is flush arranged on the outer end face of one side where the rib 18 is located, so that the use during control operations such as placing, holding and the like which are inconvenient due to local obtrusiveness is avoided.
The specific use description is as follows:
when the heat conducting plate is installed, the notch 10 in the PCB 7 is aligned to the locating pin 4 in the back box shell 1 and then is attached, so that the PCB 7 is located on the heat conducting pad 6, the locating hole 9 in the PCB 7 is aligned to the locating hole 9 by using a screw, and the first locating hole 9 and the primary fixing hole 3 are sequentially connected to be fixed on the heat conducting pad 6 of the back box shell 1 for quickly and primarily fixing the PCB 7 for subsequent fastening and installation;
then the front box shell 13 is aligned with the back box shell 1 to close, a plastic output protective sleeve 16 is arranged at the bottom bayonets of the front box shell 13 and the back box shell 1, and then the mounting hole 2, the first mounting hole aligning hole 8 and the second mounting hole aligning hole 14 which are sequentially aligned through screws are fixedly connected at one side of the back box shell 1 to be closed for fastening the front box shell 13 and the back box shell 1 and fixing the PCB 7;
and improve the welding mode of SMT paster to the power device link on PCB circuit board 7, adopt the full weld mode, connect components and parts paster 11 through silver solder layer 12, give PCB circuit board 7 with the high-efficient heat conduction of the heat that components and parts paster 11 during operation produced, PCB circuit board 7 back is close to paste and is touched and have been contacted heat conduction pad 6, a box-shell 1 at the back of the aluminum alloy is given in the heat conduction through heat conduction pad 6, box-shell 1 at the back of the aluminum alloy is favorable to radiating a plurality of rib 18 to assist through the outside, so that the heat is derived rapidly, improve the effect that components and parts paster 11 department local high temperature gived off, thereby improve the stable effect when the controller uses, also realize the purpose of automatic assembly type assembly line installation, high efficiency and practice thrift installation cost.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an improved generation low pressure DC compressor controller, includes back box shell (1) and positive box shell (13), the controller box of rectangle form is made up into to back box shell (1) and positive box shell (13), its characterized in that: the back box shell (1) is set to be an aluminum alloy shell, mounting holes (2) are symmetrically formed in four corners inside the back box shell (1), a hole groove of each mounting hole (2) penetrates through the inside and the outside of the back box shell (1), and a primary fixing hole (3) and four positioning pins (4) arranged along the edges are further formed in the back box shell (1) between the mounting holes (2);
the inner bottom surface of the back box shell (1) is connected with a heat conducting pad (6) through silica gel in an adhering mode, and notches which are matched in an inserting mode are formed in the heat conducting pad (6) corresponding to the mounting holes (2), the primary fixing hole (3) and the positioning pin (4);
a PCB (printed circuit board) (7) is attached to the heat conducting pad (6), a first mounting hole aligning hole (8), a fixing hole aligning hole (9) and a notch (10) are sequentially formed in the positions, corresponding to the mounting holes (2), the primary fixing holes (3) and the positioning pins (4), on the PCB (7), when the PCB (7) is installed, the notch (10) is in inserting fit with the positioning pins (4), the PCB (7) is sequentially connected with the first fixing hole aligning hole (9) and the primary fixing holes (3) through screws to be fixed on the heat conducting pad (6) of the back box shell (1), and a plurality of ribs (18) are integrally arranged on one side of the back box shell (1) at equal intervals;
the PCB (7) is connected with a component patch (11) through a welding layer (12), the welding layer (12) is set to be a silver welding wire melting layer, second mounting hole alignment holes (14) are formed in positions, corresponding to the first mounting hole alignment holes (8) in the PCB (7), in the front box shell (13), and when the front box shell (13) and the back box shell (1) are closed, the mounting holes (2), the first mounting hole alignment holes (8) and the second mounting hole alignment holes (14) in each group are fixedly connected in sequence from the rear end of the back box shell (1) through screws;
just the bottom of back box shell (1) is provided with first bayonet socket (5), the bottom cooperation first bayonet socket (5) of front box shell (13) is provided with second bayonet socket (15), when front box shell (13) and back box shell (1) close the lid, be connected with plastics output protective sheath (16) between first bayonet socket (5) and second bayonet socket (15).
2. An improved low pressure dc compressor controller as claimed in claim 1 wherein: the surface of the back box shell (1) is coated with anticorrosive paint.
3. An improved low pressure dc compressor controller as claimed in claim 2 wherein: the heat conducting pad (6) is a silica gel heat conducting pad, and the thickness of the silica gel heat conducting pad is not more than 1 cm.
4. An improved low pressure DC compressor controller as claimed in claim 3 wherein: the front box shell (13) is a hard plastic shell.
5. An improved low pressure DC compressor controller as claimed in claim 4 wherein: one side integration equidistant arrangement of back box shell (1) has a plurality of recess (17), form rectangle flaky rib (18) that the interval set up between recess (17).
6. An improved low pressure DC compressor controller as claimed in claim 5 wherein: the back box shell (1) is arranged on the outer end face of one side where the ribs (18) are located in a flush mode.
CN202220891521.0U 2022-04-18 2022-04-18 Improved low-voltage direct-current compressor controller Active CN217088300U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220891521.0U CN217088300U (en) 2022-04-18 2022-04-18 Improved low-voltage direct-current compressor controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220891521.0U CN217088300U (en) 2022-04-18 2022-04-18 Improved low-voltage direct-current compressor controller

Publications (1)

Publication Number Publication Date
CN217088300U true CN217088300U (en) 2022-07-29

Family

ID=82499426

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220891521.0U Active CN217088300U (en) 2022-04-18 2022-04-18 Improved low-voltage direct-current compressor controller

Country Status (1)

Country Link
CN (1) CN217088300U (en)

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